diff options
Diffstat (limited to 'testsuite/tests/indexed-types/should_fail/TyFamArity1.hs')
-rw-r--r-- | testsuite/tests/indexed-types/should_fail/TyFamArity1.hs | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/testsuite/tests/indexed-types/should_fail/TyFamArity1.hs b/testsuite/tests/indexed-types/should_fail/TyFamArity1.hs new file mode 100644 index 0000000000..4a35071e2f --- /dev/null +++ b/testsuite/tests/indexed-types/should_fail/TyFamArity1.hs @@ -0,0 +1,4 @@ +{-# LANGUAGE TypeFamilies #-} + +type family T a b :: * +type instance T Int = IO -- must fail: too few args |